Green Mountain Power Corp Electricity Rates and Average Bill (Vermont)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Green Mountain Power Corp's residential customers in Vermont paid an average effective rate of 24.67¢/kWh with an average monthly bill of $140.72, per EIA Form 861-M data. That rate is 0.8¢ above the Vermont average of 23.84¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Vermont average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 24.76 | 110.66 | 447 |
| October 2025 | 25.62 | 127.50 | 498 |
| November 2025 | 24.47 | 151.40 | 619 |
| December 2025 | 23.64 | 189.28 | 801 |
| January 2026 | 23.51 | 195.96 | 833 |
| February 2026 | 23.48 | 166.40 | 709 |
| March 2026 | 24.30 | 155.74 | 641 |
| April 2026 | 25.07 | 119.85 | 478 |
| May 2026 | 25.66 | 122.69 | 478 |
| June 2026 | 25.23 | 125.60 | 498 |
| July 2026 | 24.42 | 147.51 | 604 |
| August 2026 | 24.67 | 140.72 | 570 |
Green Mountain Power Corp vs Vermont vs the U.S.
| Green Mountain Power Corp | Vermont | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 24.67¢/kWh | 23.84¢/kWh | 18.16¢/kWh |
| Average monthly bill | $140.72 | $142.06 | $209.23 |
| Average monthly usage | 570 kWh | 596 kWh | 1152 kWh |
| Rate change, 1 year | +8.3% | +7.9% | +3.4% |
Estimate a bill at Green Mountain Power Corp rates
Worked example: 1,000 kWh at Green Mountain Power Corp's average effective rate of 24.67¢/kWh is about $246.70. The utility's actual average usage is 570 kWh/month, which produces the $140.72 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Vermont rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.